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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
No.
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Actually it does not really matter if this solution runs few ms slower or faster. It has unneccesarily high complexity and will always be slower than O(n) solution.
Hi janussone, you don't need
!= 0because the result ofn % 2is always either1or0, (basically a Boolean integer result).